HOW TO Simplify thermal modeling using STAR-CCM+??

paulkim9422 · February 27, 2024, 01:50

I'm trying to analyze radiator using STAR-CCM+

Considering other structures (aircraft parts), it's almost impossible to mesh all the parts of radiator. (large number of meshes)
So I want to simplify the radiator as a plate (or something very simple shape) using some coefficients or parameter that comes from experimental data of radiator
Is there any way to do it?
I have performace data of radiator.

Thank you

koful · May 29, 2024, 06:36

hi.
You need to model the radiator as a porous region. And you should convert the dP-Q curve to porous inertial and viscous resistances. Support center should have nice documents about this topic.

paulkim9422 · June 3, 2024, 14:40

Quote:

Originally Posted by koful

hi.
You need to model the radiator as a porous region. And you should convert the dP-Q curve to porous inertial and viscous resistances. Support center should have nice documents about this topic.

Thank you for your advice! It helped a lot, can you recommend any paper?

koful · June 3, 2024, 15:38

I am glad to help. feel free to ask

Unfortunately, I do not have access to the support center, but there was a good document something like "best practice for vehicle thermal simulations".

Also chalmers university uses starccm a lot. check this thesis: https://odr.chalmers.se/it ems/d9632a6a-a41d-44f1-b9b0-6efbbf03a4b9

February 27, 2024, 01:50	HOW TO Simplify thermal modeling using STAR-CCM+??	#1
paulkim9422 New Member Sooyoung Kim Join Date: Sep 2022 Posts: 3 Rep Power: 4	I'm trying to analyze radiator using STAR-CCM+ Considering other structures (aircraft parts), it's almost impossible to mesh all the parts of radiator. (large number of meshes) So I want to simplify the radiator as a plate (or something very simple shape) using some coefficients or parameter that comes from experimental data of radiator Is there any way to do it? I have performace data of radiator. Thank you Last edited by paulkim9422; February 27, 2024 at 05:51.

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May 29, 2024, 06:36		#2
koful Member Join Date: Jun 2014 Location: Turkey Posts: 59 Rep Power: 12	hi. You need to model the radiator as a porous region. And you should convert the dP-Q curve to porous inertial and viscous resistances. Support center should have nice documents about this topic.

June 3, 2024, 15:38		#4
koful Member Join Date: Jun 2014 Location: Turkey Posts: 59 Rep Power: 12	I am glad to help. feel free to ask Unfortunately, I do not have access to the support center, but there was a good document something like "best practice for vehicle thermal simulations". Also chalmers university uses starccm a lot. check this thesis: https://odr.chalmers.se/it ems/d9632a6a-a41d-44f1-b9b0-6efbbf03a4b9